Manhole bottom plate with anchors



FIG. 1 is a perspective view of the bottom of my design;

FIG. 2 is a top view of my design;

FIG. 3 is a side view of my design;

FIG. 4 is an enlarged sectional view of the bottom of my design;

FIG. 5 is a cross-sectional view along the line 5--5 of FIG. 4; and,

FIG. 6 is a cross-sectional view along the line 6--6 of FIG. 6.

The broken lines showing a pipe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a manhole bottom plate with anchors, as shown and described. 